From the submitter:
So, this guy figured out that if one ladders equals one level 3 of them will get them right to the 3rd floor, quite intersting solution.
According to submitter Locspocs TM, this lamppost is located in Hungary in an ex-Pioneer facility; the leisure park apparently lacked maintenance during the last few decades.
I can picture it perfectly, this is a Canadian remake of Ocean's Eleven where a gang dresses up like construction workers to break into Tim Horton's to obtain their original Dutchie recipe.
I'll be back in 20 minutes.